Mercer, B. (2019). Junk drawer geometry: 50 awesome activities that don't cost a thing. Chicago Review Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMercer, Bobby. Junk Drawer Geometry: 50 Awesome Activities That Don't Cost a Thing. Chicago, Illinois: Chicago Review Press, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMercer, Bobby. Junk Drawer Geometry: 50 Awesome Activities That Don't Cost a Thing. Chicago Review Press, 2019.
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